Iron



FIG. 1 is a perspective view of an iron showing our ornamental design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a right view thereof.

The broken lines showing environment or structure of the iron are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an iron, as shown and described. 